Go by express bus or cuise ship along the Li River. BUsese can be founf in front of the Guilin Railway Station in ZHongshan Lu or FGuilin Bus Terminal in the same road which is a stop away from the railway Station. The journey is about 1 hour.
By ship: Get on the tourist boat at Mopanshan pier in Guilin and 4.5 hours later to Yangshuo Pier. It will be much expensive and suggest you not take it in winter. For there is few water in the river.

Hi, you could take a ship going to Yangshuo from Guilin along the Li River. The voyage is about 4 horus. Or, you could catch a bus from Guilin Bus Station to arrive in Yangshuo in 1.5 hours.